Five of the six major conferences have a leader or co-leader that failed to make the NCAA Tournament last season.

Joe Toussaint scored 21 points and Pop Isaacs banked in a floater with 0.8 seconds left to give Texas Tech a 72-70 victory over Northern Iowa in the Battle 4 Atlantis.

Walker Kessler had a triple-double with 12 blocked shots, 12 points and 11 rebounds and No. 1 Auburn bounced back from a loss with a 75-58 victory over Texas A&M.

Wendell Green Jr. made a tiebreaking layup with four seconds remaining and No. 1 Auburn got past Georgia 74-72, extending the nation’s longest winning streak to 19 games.

Walker Kessler had 16 points, a career-high 11 blocked shots and nine rebounds to lead No. 11 Auburn to a 70-55 victory over previously unbeaten No. 16 LSU on Wednesday night in the Southeastern Conference opener for both teams.

Playing minus suspended coach Bruce Pearl, No. 18 Auburn made 16 steals and routed Nebraska 99-68.

(AP Photo/Chuck Burton)WACO, Texas – This Baylor win was for Davion Mitchell, and the junior guard did his part against his former team. Mitchell swished a 3-pointer after losing a shoe and finished with 13 points and seven assists, helping the Bears stay undefeated with an 84-72 win over Auburn in the Big 12/SEC Challenge on Saturday. “And that’s OK, because Butler, and Teague and Davion Mitchell and Flagler are all really good,” Pearl said. "That conversation down the court, that was pretty cool.”AHEAD TO STAYButler made two free throws with 4:50 left in the first half for a 23-22 Baylor lead. Baylor: Baylor is 7-1 in Big 12/SEC Challenge games, the best record by any team in either league in the annual showdown.